From the dimensional consideration, which of the following equation is correct

  • A
    $T = 2\pi \sqrt {\frac{{{R^3}}}{{GM}}} $
  • B
    $T = 2\pi \sqrt {\frac{{GM}}{{{R^3}}}} $
  • C
    $T = 2\pi \sqrt {\frac{{GM}}{{{R^2}}}} $
  • D
    $T = 2\pi \sqrt {\frac{{{R^2}}}{{GM}}} $

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